<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>
    <h2>index.html</h2>
    <iframe src="http://rsc.tjtc.edu.cn/gkzp1.htm" width="1000" height="800"></iframe>
</body>
</html>